Inside Earth: Earth's Layers
The hottest layer of the Earth.
What is the core?
The first wave detected during an earthquake.
What is a P-Wave?
Hotspots cause volcanic activity. (True or False)
What is true?
What is false?
The beginning of the universe, when everything was just specks of dust that eventually became out solar system.
What is the Protoplanet hypothesis?
The slightly liquid part of the mesosphere.
What is the asthenosphere?
The study of earthquakes and seismic waves.
A well-known hotspot location, a chain of volcanic islands in the middle of a plate boundary.
What is Hawaii?
A boundary where two plates are slowly coming together, this causes subduction, volcanic activity, earthquakes, or mountains forming.
What is a convergent boundary?
The supercontinent, all of the continents together a long time ago.
What is Pangaea?
The reason why pressure increases from crust to core.
What is gravity?
Another word for secondary waves/S-Waves.
What are shear waves?
When old seafloor/island material is put back into the asthenosphere.
What is subduction?
This continent has a divergent boundary going through it.
What is Africa?
How heat was released when Earth was a small planet.
What is chemical reaction?
The layer that is made out of silicon and oxygen compounds.
What is the crust?
These waves travel through the Earth's inner layer, VS surface waves only travel along the surface.
What are new islands?
This mountain range was formed near a convergent boundary. Eastern Hempishere.
What are the Himalayas?
This was created when a cloud of gas collapsed and began to emit light.
What is the sun?
12,742 km.
What is the diameter of Earth?
The point on Earth's surface above where the earthquake began.
What is the epicenter?
After Islands move off of a hotspot, the begin to sink back into the sea. They are now called a....
What is a seamount?
One of the 8 minor plates.
What is the Caribbean/Cocos/Juan de Fuca/Scotia/Arabian/Indian/Philippine/Nazca plate?
Pillars of dust that helped make planets grow.